When resizing a window the scroll bars disapear

Using FF 4 on Mac OS when i resize a window below a certain point the scroll bars disappear (or fail to appear) and/or become partially obscured.

Did you update the firmware (to Boot ROM version 4.2.8) before installing Tiger? See Mac OS X: Available firmware updates
http://docs.info.apple.com/article.html?artnum=86117
Did you use a universal install CD or a CD from another Mac model?
OS X is really "picky" about the "quality" of RAM. Many RAM modules that operate OK in classic OS do not operate OK in OS X. How much RAM is installed & does it all show up in the About This Mac/Apple System Profiler when you boot in Tiger? Check with the added RAM out.
Are you getting the Kernal Panic messages. Here's some links to look at:
What's a "kernel panic"? (Mac OS X)
http://docs.info.apple.com/article.html?artnum=106227
Mac OS X Kernel Panic FAQ
http://www.macmaps.com/kernelpanic.html
Mac OS X Kernel Panic FAQ
http://www.index-site.com/kernelpanic.html
Resolving Kernel Panics
http://www.thexlab.com/faqs/kernelpanics.html
Troubleshooting
The X Lab (Troubleshooting & Maintenance of OS X)
http://www.thexlab.com/faqs/faqs.html
Apple's Mac OS X Troubleshooting 101
http://www.apple.com/support/mac101/help/
OS X Routine Maintenance & Generic Troubleshooting
http://www.macattorney.com/ts.html
Prevent Mac Disasters
http://www.macworld.com/2005/01/features/preventmacdisasters/index.php
Cheers, Tom

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What happens when the scroll bar moves to the bottom by itself?

When I am browsing, the scroll bar moves downward all of sudden to the bottom of the arrow. When you click on the scroll bar to move the page back to the top, it automatically moves back the scroll bar back to the bottom of the page. I have tried reloading the page, going forwards and backwards, and refreshing the page but it still does this problem. The only way to fix this problem is you have to close Firefox and reopen the browser. Is there a solution?

Start Firefox in [[Safe Mode]] to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

I am not able to scroll either the scroll bar goes missing, even if present I am finding it hard to scroll can you help me?

sometimes when I opened Mozilla the scroll bar diappears there I couldnt scroll and I had to use the arrow keys on the keyboard to scroll. even if the scrol bar was present. When I tried to drag down mozilla just used automatically minimise and maximise. Its getting very annoying. I tried uninsatalling and reinstalling. It did not solve the issue.

This issue can be caused by the Babylon Toolbar extension
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
Start Firefox in [[Safe Mode]] to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode
Your above posted system details show multiple Java Console extensions. 
You can uninstall and remove Java Console extensions, you do not need them to run Java applets.
See:
* http://kb.mozillazine.org/Java#Multiple_Java_Console_extensions

When I double-click the tab bar, FF4 just resizes the window but does not open a new tab

When I double-click the Tab Bar, FF 4.0 just resizes the window but does not open a new tab. It happens when Menu Bar is disabled (not ticked).

Start Firefox in [[Safe Mode]] to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes). 
See [[Troubleshooting extensions and themes]] and [[Troubleshooting plugins]] 
 
If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears. 
You can use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions. 
You have to close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit") 
Your plugins list shows outdated plugin(s) with known security and stability risks.
* Shockwave Flash 10.0 r32
* Java Plug-in 1.6.0_03 for Netscape Navigator (DLL Helper)
Update the [[Java]] plugin to the latest version.
*http://java.sun.com/javase/downloads/index.jsp (Java Platform: Download JRE)
Update the [[Flash]] plugin to the latest version.
*http://www.adobe.com/software/flash/about/

Has anyone downloaded Yosemite and found that there are no ore scroll bars? I have to move the window (of any window, Skype window, browser window etc.) in order to find the scroll bar and then it disappears so fast I can't even use it.

Has anyone downloaded Yosemite and found that there are no ore scroll bars? I have to move the window (of any window, Skype window, browser window etc.) in order to find the scroll bar and then it disappears so fast I can't even use it.

Not sure why that was unchecked but good to know!
Apple's new default (since at least a couple of OS releases back) is to have it off so OS X matches the behavior of an iPhone or iPad.
I almost never need a scroll bar, and when I do, I just move over to the edge of the window when scrolling and a larger scroll bar appears.
Yes, for the most part, users don't really need the scroll bar. That's what the scroll wheel on almost all mice is for. Saves the trip over to bar to physically grab and move it. But, I do like it on all the time regardless. That way (especially with a long article) I can just take a quick glance over to the bar to see about where I am on the page (a third of the way down? halfway?). Otherwise, I have to move the page just to make it appear to give me the same information.

When I open certain emails the scroll bars at the side and bottom flash and jump back and forth along with the email content

I recently upgraded to the latest version of Yahoo mail. Ever since then when I open certain emails the scroll bars jump back and forth and flash. This happens when I open my AT&T bill or something from Amazon for instance. A message appears at the bottom such as "Transferring data from mail.yimg.com", or "us.bc.yahoo.com". This doesn't happen when I use Safari.

Start Firefox in [[Safe Mode]] to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.org/kb/Safe+Mode
You may have switched on caret browsing.
*http://kb.mozillazine.org/accessibility.browsewithcaret
You can press press F7 (on Mac: fn + F7) to toggle caret browsing on/off.
*Tools > Options > Advanced : General: Accessibility: [ ] "Always use the cursor keys to navigate within pages"
*http://kb.mozillazine.org/Scrolling_with_arrow_keys_no_longer_works
*http://kb.mozillazine.org/Accessibility_features_of_Firefox

My firefox browser window will not stay in full screen mode, it keeps reducing itself so I can't use the scroll down button on the side, so I have to constantly minimize and maximize to get to the scroll bar, How can I stop this?

Like I said it happens every few minutes... It is annoying when you are on the internet for more than a few minutes because you constantly have to either minimize it or reduce the screen manually by hitting the button and then maximize it again to get the scroll bar to be in view to use it.

Delete the localstore.rdf file at the following location:
C:\Users\'''USERNAME'''\AppData\Roaming\Mozilla\Firefox\Profiles\'''PROFILE NAME'''
I did this and it fixed it for several days, but it broke again eventually.

Is there any way to hide or remove the scroll bars when programming?

I wish the vi which builded by app builder can display a interface without the scroll bars even before it runs. Thank you very much!

As was answered here, you can only hide the scoll bars when the VI is running. If you need to enter data or set options before running, then you should redesign the application with a "Go" button or a pop-up and not rely on the user to press the run arrow. Putting the controls inside a while loop would be sufficient and should be easy to do. It's that or live with visible scroll bars.

When I scroll up or down on my screen, black and grey lines run across my screen and next to the scroll bar. How do it fix it?

When I scroll up or down on my screen, black and grey lines run across my screen and next to the scroll bar. How do it fix it?

it is possible that zoom maybe enabled i think double taping with three fingers should disable it.
or you can go into settings>general> assessability> zoom and turn it off.
hope this helps

I keep multiple windows opened and minimized. Sometimes when I click on the task bar to Restore, it apparently "disappears" out of view past the upper left corner. From then on, it can only be seen by using Maximize. What can be done to move it back?

I keep multiple windows opened and minimized. Sometimes when I click on the task bar to restore one, it apparently "disappears" out of view beyond the upper left corner of the screen. From then on, it can only be seen by using Maximize in the task bar. When Restore/Move/Size are clicked, the pointer just goes to the upper left corner of the screen with all combinations of clicking/dragging having no success. What causes this, and what can be done to move it back?

If a window disappear then using the system menu can make it reappear or make it possible to move that window in view. I don't know what causes it to make the window disappear in your case if it does work correctly if you start Firefox.
You can check the browser.link.open_newwindow prefs on the about:config page if you want to open all links in tabs in the current window.
* http://kb.mozillazine.org/browser.link.open_newwindow (3)
* http://kb.mozillazine.org/browser.link.open_newwindow.restriction (0)

When I open Firefox, the display is not stable, can't use the scroll bar or mouse properly.

Power Mac (non-intel) using OS 10.5.8. Changed batteries in mouse, problem is the display when opening Firefox is not stable on vertical axis. Can't use the scroll bar or mouse control in vertical axis.

Hello tikimonboo, [https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems#w_turn-off-hardware-acceleration Turn off hardware acceleration], and check it again.
thank you

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When I sync my 3G, the scroll bar indicates and "Other" category using 1.9 GB of my 8GB phone. What is this category and how can I minimize it's size?

It is normal to hav 200 - 800 mb of other ( contacts, favorites, voicemail, recents, etc).
If you have much more than this it indicates a corrupt file. A restore should resolve.

The new version of fire fox keeps crashing my entire computer if i pull down the scroll bar to fast and when using sites that use flash player my other browsers work fine its only started happening since it updated to 3.6.10

Firefox keeps crashing my entire computer if i pull down the scroll bar too fast or go to websites that use flashplayer and sometimes for no reason at all. My other browsers work fine and firefox did till the update.

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See http://www.adobe.com/software/flash/about/

Why do the scroll bars quickly dissapear in firefox on OSX 10.9?

I am running OSX 10.9 Maverick on a Macbook Pro . I observe this problem in Firefox 25.1 The scroll bars in any application window all dissapear after about a second. If you resize the window or select an item with subdirectories in a list, the scroll bar in the pane you are in reappears, but it does not dwell long enough to allow you to move a cursor over it. (What is the point of making it dissapear anyway?) Two finger scrolling does not work for some reason, using a function and direction key or just a direction key works to scroll only in some websites but not all of them. This little bit of cleverness, if intentional is both un-needed and dysfunctional.

This answer solves the problem for me.
However, it does not address the fact that under Apples OSX 10.9 Maverick, touchpad scrolling currently does not always work, even when you have a touchpad device, and the very latest OS and version of Firefox. The default scroll bar setting for OSX 10.9 ought to be hardware sensitive and set to always on as the default, Other settings might work on an iPad or iPhone device and their competitor clones, I cannot confirm that, but we know that it does not work for all web applications on all touchpad devices. Not even the ones Apple make themselves.

How do I get the scroll bar back to the right side of the screen and how do I get the mouse scroll wheel to work again?

Yesterday the scroll bar on Firefox was moved from the right to the left of the screen and the webpages do not scroll when using the mouse scroll wheel.

Reset the pref layout.scrollbar.side to '0' or set to '2' to place the scroll bar at the default right side.
See:
* http://kb.mozillazine.org/layout.scrollbar.side
* http://kb.mozillazine.org/about%3Aconfig
Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]
* [[Troubleshooting plugins]]

When resizing a window the scroll bars disapear

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